Innovative Polymers Classic Polyurethanes family includes products ranging from flexible to rigid. The materials are industry favorites for hand-casting of prototypes and parts. Several of the products are also suited for mass casting.

Shore A hardness Classic Polyurethanes are low-viscosity, easy to process and cure systems. Parts cast from the elastomers exhibit excellent tear strength and elongation. The materials can be color matched to virtually any specification. The products are used for building patterns and fixtures as well as military training aids, automotive components, sporting goods and medical training models.

Shore D hardness Classic Polyurethanes are typically used for hand casting, however several of the products can be mass cast, rotomolded or vacuum cast. The materials exhibit low viscosity and attain rapid green strength. Once cured, Classic Shore D hardness Polyurethanes simulate polypropylene and ABS thermoplastics with good tensile strength and flexural modulus values. Many of the products are color matchable. The systems are ideal for molding architectural models, medical training models, taxidermy cores and scale models/sculptures.

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Physical properties included on in this chart were obtained using various cure schedules. Please refer to each product's data bulletin for the specific cure schedule used to obtain the values shown above.